[Clas_offline] Fwd: [G12] GSIM Queries

[Paul Eugenio]

> From: Mukesh Saini <msaini at fsu.edu>
> Date: May 25, 2010 2:05:04 PM EDT
> To: g12 at jlab.org
> Subject: [G12] GSIM Queries
> 
> Hi All,
> 
> I am trying to setup my Monte-Carlo analysis at FSU. I am unfamiliar with the software and its output and I have questions about the following.
> 
> 1) 
> I have the Target defined as g11a in the ffread file:
> 
> MAGTYPE 2
> MAGSCALE 0.502 0.000
> PTGIFIELD 0
> 
> STTYPE 1
> STZOFF -90.0
> TGPOS 0. 0. 0.
> 
> TARGET 'g11a'
> TGMATE 'PROT'
> 
> But the code redefines the target material to be He3 *Look Below*. Is that a cause of concern?
> 
> 2)
> It also says that it is using the slow code. I am assuming there is an option or a way to use the fast code. What is the difference between the two? 
> 
> "geom_sc.c  I: Using the SLOW CODE !. "
> 
> 3)
> In some cases it abandon's tracking and has a huge number of e-/e+ in th event. Does it mean something is wrong or is it a part and parcel of the process?  
> 
> =======================================================================================
> 
> *** GSMATE ***: Warning, material redefinition: 
> 0MATERIAL                           A         Z     DENSITY  RADIAT L  ABSORP L NMIXT
> 
> 3 LIQ HELIUM4              4.000     2.000     0.125 0.755E+03 0.478E+03   1        
> 3 LIQ HELIUM4              4.000     2.000     0.146 0.755E+03 0.613E+03   1        
> INIT_MG    I: *** Starting to set up magnetic field *** 
> INIT_MG    I: Magtype used is:   2 
> INIT_MG    I: Ptg_ifield value is:   0 
> INIT_MG    I: reading in magnetic field map from /d/home/clas/g12/parms/bgrid_t.fpk 
> file[ 0]->/d/home/clas/g12/parms/bgrid_t.fpk<-
> INIT_MG    I: Grid used is:     652761    652761        61        41        87 
> bosClose : close local file
> bosClose : Call cclose(stream=1,iobptr=0,medium=2)
> -100
> INIT_MG    I: *** Done reading magnetic field map *** 
> calib_connect: RunIndex_table = "calib_user.RunIndexg12"
> calib_connect: using server=clasdb.jlab.org (default)
> 
> 
> =========================================================================================
> 
> GEOM_EC1_INI: EC1 geometry read normally 
> GEOM_EC1_INI: Attenuation length for all strips replaced with mean value  350 
> geom_sc.c  I: New SC Geometry for 6 independent sectors.
> 
> geom_sc.c  I: Using the SLOW CODE !.
> 
> set_sc_version_constants for run 10: flag=1
> 
> =========================================================================================
> 
> *** GTRACK *** More than     10000 steps, tracking abandoned! 
> IEVENT=     88 IDEVT=     88 Random Seeds =  795126914   922246445                
> Track     5 stack    13 NTMULT     417 POSITRON             Time of flight     18.583 ns                
> 
> 
> *** GTRACK *** More than     10000 steps, tracking abandoned! 
> IEVENT=     97 IDEVT=     97 Random Seeds = 1768665208  1495083300                
> Track     2 stack     3 NTMULT      32 ELECTRON             Time of flight     90.443 ns                
> 
> 
> *** GTRACK *** More than     10000 steps, tracking abandoned! 
> IEVENT=    111 IDEVT=    111 Random Seeds =  874856696  1948523405                
> Track     3 stack     7 NTMULT      85 POSITRON             Time of flight     19.476 ns                
> 
> 
> *** GTRACK *** More than     10000 steps, tracking abandoned! 
> IEVENT=    111 IDEVT=    111 Random Seeds =  874856696  1948523405                
> Track     3 stack     6 NTMULT      86 ELECTRON             Time of flight     19.126 ns   
> ==========================================================================================
> 
> Apologies for the long copy-pasted info. 
> Mukesh,
> Graduate Student,
> Florida State University.
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